diff --git a/_config.yml b/_config.yml
index d39133e..083e70a 100644
--- a/_config.yml
+++ b/_config.yml
@@ -1,7 +1,6 @@
 ### Global gh-pages pre-amble
 safe: true
 lsi: false
-highlighter: rouge
 markdown: redcarpet
 redcarpet:
   extensions: ["no_intra_emphasis", "fenced_code_blocks", "autolink", "tables", "with_toc_data"]